AWS::Cognito::UserPoolUser
The AWS::Cognito::UserPoolUser
resource creates an Amazon Cognito user pool
user.
Syntax
To declare this entity in your AWS CloudFormation template, use the following syntax:
JSON
{ "Type" : "AWS::Cognito::UserPoolUser", "Properties" : { "ClientMetadata" :
{
, "DesiredDeliveryMediums" :Key
:Value
, ...}[ String, ... ]
, "ForceAliasCreation" :Boolean
, "MessageAction" :String
, "UserAttributes" :[ AttributeType, ... ]
, "Username" :String
, "UserPoolId" :String
, "ValidationData" :[ AttributeType, ... ]
} }
YAML
Type: AWS::Cognito::UserPoolUser Properties: ClientMetadata:
DesiredDeliveryMediums:
Key
:Value
- String
ForceAliasCreation:Boolean
MessageAction:String
UserAttributes:- AttributeType
Username:String
UserPoolId:String
ValidationData:- AttributeType
Properties
ClientMetadata
-
A map of custom key-value pairs that you can provide as input for any custom workflows that this action triggers.
You create custom workflows by assigning AWS Lambda functions to user pool triggers. When you use the AdminCreateUser API action, Amazon Cognito invokes the function that is assigned to the pre sign-up trigger. When Amazon Cognito invokes this function, it passes a JSON payload, which the function receives as input. This payload contains a
clientMetadata
attribute, which provides the data that you assigned to the ClientMetadata parameter in your AdminCreateUser request. In your function code in AWS Lambda, you can process theclientMetadata
value to enhance your workflow for your specific needs.For more information, see Customizing user pool Workflows with Lambda Triggers in the Amazon Cognito Developer Guide.
Note
When you use the ClientMetadata parameter, remember that Amazon Cognito won't do the following:
-
Store the ClientMetadata value. This data is available only to AWS Lambda triggers that are assigned to a user pool to support custom workflows. If your user pool configuration doesn't include triggers, the ClientMetadata parameter serves no purpose.
-
Validate the ClientMetadata value.
-
Encrypt the ClientMetadata value. Don't use Amazon Cognito to provide sensitive information.
Required: No
Type: Object of String
Pattern:
^([\p{L}\p{Z}\p{N}_.:/=+\-@]*)$
Update requires: Replacement
-
DesiredDeliveryMediums
-
Specify
"EMAIL"
if email will be used to send the welcome message. Specify"SMS"
if the phone number will be used. The default value is"SMS"
. You can specify more than one value.Required: No
Type: Array of String
Update requires: Replacement
ForceAliasCreation
-
This parameter is used only if the
phone_number_verified
oremail_verified
attribute is set toTrue
. Otherwise, it is ignored.If this parameter is set to
True
and the phone number or email address specified in the UserAttributes parameter already exists as an alias with a different user, the API call will migrate the alias from the previous user to the newly created user. The previous user will no longer be able to log in using that alias.If this parameter is set to
False
, the API throws anAliasExistsException
error if the alias already exists. The default value isFalse
.Required: No
Type: Boolean
Update requires: Replacement
MessageAction
-
Set to
RESEND
to resend the invitation message to a user that already exists and reset the expiration limit on the user's account. Set toSUPPRESS
to suppress sending the message. You can specify only one value.Required: No
Type: String
Allowed values:
RESEND | SUPPRESS
Update requires: Replacement
UserAttributes
-
An array of name-value pairs that contain user attributes and attribute values to be set for the user to be created. You can create a user without specifying any attributes other than
Username
. However, any attributes that you specify as required (when creating a user pool or in the Attributes tab of the console) either you should supply (in your call toAdminCreateUser
) or the user should supply (when they sign up in response to your welcome message).For custom attributes, you must prepend the
custom:
prefix to the attribute name.To send a message inviting the user to sign up, you must specify the user's email address or phone number. You can do this in your call to AdminCreateUser or in the Users tab of the Amazon Cognito console for managing your user pools.
You must also provide an email address or phone number when you expect the user to do passwordless sign-in with an email or SMS OTP. These attributes must be provided when passwordless options are the only available, or when you don't submit a
TemporaryPassword
.In your call to
AdminCreateUser
, you can set theemail_verified
attribute toTrue
, and you can set thephone_number_verified
attribute toTrue
. You can also do this by calling AdminUpdateUserAttributes.-
email: The email address of the user to whom the message that contains the code and username will be sent. Required if the
email_verified
attribute is set toTrue
, or if"EMAIL"
is specified in theDesiredDeliveryMediums
parameter. -
phone_number: The phone number of the user to whom the message that contains the code and username will be sent. Required if the
phone_number_verified
attribute is set toTrue
, or if"SMS"
is specified in theDesiredDeliveryMediums
parameter.
Required: No
Type: Array of AttributeType
Update requires: Replacement
-
Username
-
The value that you want to set as the username sign-in attribute. The following conditions apply to the username parameter.
-
The username can't be a duplicate of another username in the same user pool.
-
You can't change the value of a username after you create it.
-
You can only provide a value if usernames are a valid sign-in attribute for your user pool. If your user pool only supports phone numbers or email addresses as sign-in attributes, Amazon Cognito automatically generates a username value. For more information, see Customizing sign-in attributes.
Required: No
Type: String
Pattern:
[\p{L}\p{M}\p{S}\p{N}\p{P}]+
Minimum:
1
Maximum:
128
Update requires: Replacement
-
UserPoolId
-
The user pool ID for the user pool where the user will be created.
Required: Yes
Type: String
Pattern:
[\w-]+_[0-9a-zA-Z]+
Minimum:
1
Maximum:
55
Update requires: Replacement
ValidationData
-
Temporary user attributes that contribute to the outcomes of your pre sign-up Lambda trigger. This set of key-value pairs are for custom validation of information that you collect from your users but don't need to retain.
Your Lambda function can analyze this additional data and act on it. Your function might perform external API operations like logging user attributes and validation data to Amazon CloudWatch Logs. Validation data might also affect the response that your function returns to Amazon Cognito, like automatically confirming the user if they sign up from within your network.
For more information about the pre sign-up Lambda trigger, see Pre sign-up Lambda trigger.
Required: No
Type: Array of AttributeType
Update requires: Replacement
Return values
Ref
When you pass the logical ID of this resource to the intrinsic Ref
function, Ref
returns the name of the user. For example: admin
.
For more information about using the Ref
function, see Ref
.